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Finding the Fourth Proportional to 1,162.04, 1,742.04 and 469.22

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Solution

The fourth proportional to 1,162.04, 1,742.04 and 469.22 is: 703.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162.04 : 1,742.04 = 469.22 : x
  2. Step 2: Convert to fraction form
    1,162.04/1,742.04 = 469.22/x
  3. Step 3: Cross multiply
    1,162.04x = 1,742.04 × 469.22
  4. Step 4: Simplify right side
    1,162.04x = 817,391.30
  5. Step 5: Solve for x
    x = 817,391.30/1,162.04
  6. Step 6: Final answer
    x = 703.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.